Re : Ubuntu 13.04 invisible sur Windows 8 (Résolu)

Et en essayant Boot Repair, ce message d'erreur :"You have installed on sda10 a Linux version which is not EFI-compatible. It is probably incompatible with your computer. Please install an EFI-compatible system. For example, Linux-Secure-Remix-64bit and Ubuntu-64bit are EFI-compatible systems."

=================== Default settings
Recommended-Repair
This setting would reinstall the grub-efi of sda10, using the following options: sda2/boot/efi,
Additional repair would be performed: unhide-bootmenu-10s backup-and-rename-efi-files

### BEGIN /etc/grub.d/40_custom #### This file provides an easy way to add custom menu entries. Simply type the# menu entries you want to add after this comment. Be careful not to change# the 'exec tail' line above.### END /etc/grub.d/40_custom ###